p85 の図3-8　適当な模様をフレームバッファに描くができません #166

taxin39 · 2024-03-20T09:48:52Z

開発環境
Windows10
WSL2
ubuntu 22.03.4 TLS
qemu

osの開発が初めての初学者です。
タイトルの通りなのですがp85 の図3-8　"適当な模様をフレームバッファに描く"ができません。
以下のコマンドを実施しました。エラーは発生していないと思います。
しかし、qemuには図3-7　"フレームバッファを白く塗りつぶす"の時の画面が表示されてしまいます。
何か悪いところ、悪そうなところがあればご教示頂きたいです。よろしくお願いいたします。

実施コマンド

$ cd $HOME/workspace/mikanos
$ git checkout osbook_day03c
$ cd kernel
$ source $HOME/osbook/devenv/buildenv.sh
$ echo $CPPFLAGS
$ clang++ $CPPFLAGS -O2 --target=x86_64-elf -fno-exceptions -ffreestanding -c main.cpp
$ ld.lld $LDFLAGS --entry KernelMain -z norelro --image-base 0x100000 --static -o kernel.elf main.o

$ cd $HOME/edk2
$ source edksetup.sh
$ build

$ $HOME/osbook/devenv/run_qemu.sh $HOME/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi $HOME/workspace/mikanos/kernel/kernel.elf

出力結果

taxin@DESKTOP-ETK18JN:~/workspace/mikanos$ cd $HOME/workspace/mikanos
taxin@DESKTOP-ETK18JN:~/workspace/mikanos$ git checkout osbook_day03c
Previous HEAD position was 6f81c5e add review tag
HEAD is now at a9f6b6c add review range tag
taxin@DESKTOP-ETK18JN:~/workspace/mikanos$ cd kernel
taxin@DESKTOP-ETK18JN:~/workspace/mikanos/kernel$ source $HOME/osbook/devenv/buildenv.sh
taxin@DESKTOP-ETK18JN:~/workspace/mikanos/kernel$ echo $CPPFLAGS
-I/home/taxin/osbook/devenv/x86_64-elf/include/c++/v1 -I/home/taxin/osbook/devenv/x86_64-elf/include -I/home/taxin/osbook/devenv/x86_64-elf/include/freetype2 -I/home/taxin/edk2/MdePkg/Include -I/home/taxin/edk2/MdePkg/Include/X64 -nostdlibinc -D__ELF__ -D_LDBL_EQ_DBL -D_GNU_SOURCE -D_POSIX_TIMERS -DEFIAPI='__attribute__((ms_abi))'
taxin@DESKTOP-ETK18JN:~/workspace/mikanos/kernel$ clang++ $CPPFLAGS -O2 --target=x86_64-elf -fno-exceptions -ffreestanding -c main.cpp
taxin@DESKTOP-ETK18JN:~/workspace/mikanos/kernel$ ld.lld $LDFLAGS --entry KernelMain -z norelro --image-base 0x100000 --static -o kernel.elf main.o
taxin@DESKTOP-ETK18JN:~/workspace/mikanos/kernel$ cd $HOME/edk2
taxin@DESKTOP-ETK18JN:~/edk2$ source edksetup.sh
Loading previous configuration from /home/taxin/edk2/Conf/BuildEnv.sh
Using EDK2 in-source Basetools
WORKSPACE: /home/taxin/edk2
EDK_TOOLS_PATH: /home/taxin/edk2/BaseTools
CONF_PATH: /home/taxin/edk2/Conf
taxin@DESKTOP-ETK18JN:~/edk2$ build
Build environment: Linux-5.10.16.3-microsoft-standard-WSL2-x86_64-with-glibc2.35
Build start time: 18:25:02, Mar.20 2024

WORKSPACE        = /home/taxin/edk2
EDK_TOOLS_PATH   = /home/taxin/edk2/BaseTools
CONF_PATH        = /home/taxin/edk2/Conf
PYTHON_COMMAND   = /usr/bin/python3


Architecture(s)  = X64

Processing meta-data .Build target     = DEBUG
Toolchain        = CLANG38

Active Platform          = /home/taxin/edk2/MikanLoaderPkg/MikanLoaderPkg.dsc
 done!
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:549: DeprecationWarning: isSet() is deprecated, use is_set() instead
  return BuildTask._ErrorFlag.isSet()
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:533: DeprecationWarning: isSet() is deprecated, use is_set() instead
  return not BuildTask._SchedulerStopped.isSet()
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:435: DeprecationWarning: setName() is deprecated, set the name attribute instead
  SchedulerThread.setName("Build-Task-Scheduler")
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:436: DeprecationWarning: setDaemon() is deprecated, set the daemon attribute instead
  SchedulerThread.setDaemon(False)
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:458: DeprecationWarning: isSet() is deprecated, use is_set() instead
  or not ExitFlag.isSet()) and not BuildTask._ErrorFlag.isSet():
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:476: DeprecationWarning: isSet() is deprecated, use is_set() instead
  while not BuildTask._ErrorFlag.isSet():
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:669: DeprecationWarning: setName() is deprecated, set the name attribute instead
  self.BuildTread.setName("build thread")
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:670: DeprecationWarning: setDaemon() is deprecated, set the daemon attribute instead
  self.BuildTread.setDaemon(False)
Building ... /home/taxin/edk2/MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf [X64]
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:243: DeprecationWarning: setName() is deprecated, set the name attribute instead
  StdOutThread.setName("STDOUT-Redirector")
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:244: DeprecationWarning: setDaemon() is deprecated, set the daemon attribute instead
  StdOutThread.setDaemon(False)
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:199: DeprecationWarning: isSet() is deprecated, use is_set() instead
  if ExitFlag.isSet():
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/UefiLib/UefiLib.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/BasePrintLib/BasePrintLib.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/BaseLib/BaseLib.inf [X64]
Building ... /home/taxin/edk2/MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf [X64]
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf [X64]
make: Nothing to be done for 'tbuild'.
make: Nothing to be done for 'tbuild'.
Building ... /home/taxin/edk2/MikanLoaderPkg/Loader.inf [X64]
"clang" -MMD -MF /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/Main.obj.deps -g -Os -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -include AutoGen.h -fno-common -ffunction-sections -fdata-sections -DSTRING_ARRAY_NAME=LoaderStrings -Wno-parentheses-equality -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -Wno-empty-body -Wno-unused-const-variable -Wno-varargs -Wno-unknown-warning-option -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-stack-protector -mms-bitfields -Wno-address -Wno-shift-negative-value -Wno-unknown-pragmas -Wno-incompatible-library-redeclaration -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -msoft-float -mno-implicit-float -ftrap-function=undefined_behavior_has_been_optimized_away_by_clang -funsigned-char -fno-ms-extensions -Wno-null-dereference -m64 "-DEFIAPI=__attribute__((ms_abi))" -mno-red-zone -mcmodel=small -fpie -Oz -flto -target x86_64-pc-linux-gnu -g -c -o /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/./Main.obj -I/home/taxin/edk2/MikanLoaderPkg -I/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG -I/home/taxin/edk2/MdePkg -I/home/taxin/edk2/MdePkg/Include -I/home/taxin/edk2/MdePkg/Test/UnitTest/Include -I/home/taxin/edk2/MdePkg/Include/X64 /home/taxin/edk2/MikanLoaderPkg/Main.c
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:500: DeprecationWarning: isSet() is deprecated, use is_set() instead
  if BuildTask._ErrorFlag.isSet():
/home/taxin/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py:505: DeprecationWarning: getName() is deprecated, get the name attribute instead
  EdkLogger.debug(EdkLogger.DEBUG_8, "Threads [%s]" % ", ".join(Th.getName() for Th in threading.enumerate()))
rm -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/Loader.lib
"llvm-ar" cr /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/Loader.lib  @/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/object_files.lst
"clang" -o /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.dll -nostdlib -Wl,-n,-q,--gc-sections -z common-page-size=0x40 -Wl,--entry,_ModuleEntryPoint -u _ModuleEntryPoint -Wl,-Map,/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.map,--whole-archive -flto -Wl,-Oz -Wl,-melf_x86_64 -Wl,--oformat=elf64-x86-64 -Wl,-pie -mcmodel=small -Wl,--start-group,@/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/static_library_files.lst,--end-group -g -Os -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -include AutoGen.h -fno-common -ffunction-sections -fdata-sections -DSTRING_ARRAY_NAME=LoaderStrings -Wno-parentheses-equality -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -Wno-empty-body -Wno-unused-const-variable -Wno-varargs -Wno-unknown-warning-option -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-stack-protector -mms-bitfields -Wno-address -Wno-shift-negative-value -Wno-unknown-pragmas -Wno-incompatible-library-redeclaration -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -msoft-float -mno-implicit-float -ftrap-function=undefined_behavior_has_been_optimized_away_by_clang -funsigned-char -fno-ms-extensions -Wno-null-dereference -m64 "-DEFIAPI=__attribute__((ms_abi))" -mno-red-zone -mcmodel=small -fpie -Oz -flto -target x86_64-pc-linux-gnu -g -Wl,--defsym=PECOFF_HEADER_SIZE=0x228 -Wl,--script=/home/taxin/edk2/BaseTools/Scripts/GccBase.lds -Wno-error -O3
"objcopy"  /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.dll
cp -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.dll /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.debug
objcopy --strip-unneeded -R .eh_frame /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.dll
objcopy --add-gnu-debuglink=/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.debug /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.dll
cp -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.debug /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.debug
"GenFw" -e UEFI_APPLICATION -o /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/Loader.efi /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/Loader.dll
cp -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/Loader.efi /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG
cp -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT/Loader.efi /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi
cp -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/DEBUG/*.map /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/MikanLoaderPkg/Loader/OUTPUT

- Done -
Build end time: 18:25:03, Mar.20 2024
Build total time: 00:00:01

taxin@DESKTOP-ETK18JN:~/edk2$ $HOME/osbook/devenv/run_qemu.sh $HOME/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi $HOME/workspace/mikanos/kernel/kernel.elf
+ [ 2 -lt 1 ]
+ dirname /home/taxin/osbook/devenv/run_qemu.sh
+ DEVENV_DIR=/home/taxin/osbook/devenv
+ EFI_FILE=/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi
+ ANOTHER_FILE=/home/taxin/workspace/mikanos/kernel/kernel.elf
+ DISK_IMG=./disk.img
+ MOUNT_POINT=./mnt
+ /home/taxin/osbook/devenv/make_image.sh ./disk.img ./mnt /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi /home/taxin/workspace/mikanos/kernel/kernel.elf
+ [ 4 -lt 3 ]
+ dirname /home/taxin/osbook/devenv/make_image.sh
+ DEVENV_DIR=/home/taxin/osbook/devenv
+ DISK_IMG=./disk.img
+ MOUNT_POINT=./mnt
+ EFI_FILE=/home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi
+ ANOTHER_FILE=/home/taxin/workspace/mikanos/kernel/kernel.elf
+ [ ! -f /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi ]
+ rm -f ./disk.img
+ qemu-img create -f raw ./disk.img 200M
Formatting './disk.img', fmt=raw size=209715200
+ mkfs.fat -n MIKAN OS -s 2 -f 2 -R 32 -F 32 ./disk.img
mkfs.fat 4.2 (2021-01-31)
+ /home/taxin/osbook/devenv/mount_image.sh ./disk.img ./mnt
+ [ 2 -lt 2 ]
+ dirname /home/taxin/osbook/devenv/mount_image.sh
+ DEVENV_DIR=/home/taxin/osbook/devenv
+ DISK_IMG=./disk.img
+ MOUNT_POINT=./mnt
+ [ ! -f ./disk.img ]
+ mkdir -p ./mnt
+ sudo mount -o loop ./disk.img ./mnt
+ sudo mkdir -p ./mnt/EFI/BOOT
+ sudo cp /home/taxin/edk2/Build/MikanLoaderX64/DEBUG_CLANG38/X64/Loader.efi ./mnt/EFI/BOOT/BOOTX64.EFI
+ [ /home/taxin/workspace/mikanos/kernel/kernel.elf !=  ]
+ sudo cp /home/taxin/workspace/mikanos/kernel/kernel.elf ./mnt/
+ sleep 0.5
+ sudo umount ./mnt
+ /home/taxin/osbook/devenv/run_image.sh ./disk.img
+ [ 1 -lt 1 ]
+ dirname /home/taxin/osbook/devenv/run_image.sh
+ DEVENV_DIR=/home/taxin/osbook/devenv
+ DISK_IMG=./disk.img
+ [ ! -f ./disk.img ]
+ qemu-system-x86_64 -m 1G -drive if=pflash,format=raw,readonly,file=/home/taxin/osbook/devenv/OVMF_CODE.fd -drive if=pflash,format=raw,file=/home/taxin/osbook/devenv/OVMF_VARS.fd -drive if=ide,index=0,media=disk,format=raw,file=./disk.img -device nec-usb-xhci,id=xhci -device usb-mouse -device usb-kbd -monitor stdio
qemu-system-x86_64: -drive if=pflash,format=raw,readonly,file=/home/taxin/osbook/devenv/OVMF_CODE.fd: warning: short-form boolean option 'readonly' deprecated
Please use readonly=on instead
QEMU 6.2.0 monitor - type 'help' for more information

実行結果画面

The text was updated successfully, but these errors were encountered:

taxin39 · 2024-03-22T22:26:07Z

qemuで確認したらエラーがありました。まだ改善できておらず対応中のため、何か原因をご教示頂けたら幸いです。

Hello, Mikan World! map->buffer = 3FEA88A0, map->map_size = 000008A0 Resolution: 800x600, Pixel Format: PixelBlueGreenRedReserved8BitPerColor, 800 pixels/line Frame Buffer: 0x80000000 - 0x801D5000, Size: 1921024 bytes Kernel: 0x100000 (1448 bytes) !!!! X64 Exception Type - 06(#UD - Invalid Opcode) CPU Apic ID - 00000000 !!!! RIP - 000000000080201A, CS - 0000000000000038, RFLAGS - 0000000000000046 RAX - 0000000000100000, RCX - 000000003F2B0B98, RDX - 0000000000000000 RBX - 000000003FEAC9E8, RSP - 000000003FEA8820, RBP - 000000003FEACA40 RSI - 00000000001D5000, RDI - 0000000080000000 R8 - 000000003FEA8794, R9 - 000000003FB7B48F, R10 - 000000003FBCD018 R11 - FFFFFFFFFFFFFFFC, R12 - 000000003E67CA5A, R13 - 000000003F21BA20 R14 - 000000003F21BF18, R15 - 000000003FEA9140 DS - 0000000000000030, ES - 0000000000000030, FS - 0000000000000030 GS - 0000000000000030, SS - 0000000000000030 CR0 - 0000000080010033, CR2 - 0000000000000000, CR3 - 000000003FC01000 CR4 - 0000000000000668, CR8 - 0000000000000000 DR0 - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000 DR3 - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400 GDTR - 000000003FBEE698 0000000000000047, LDTR - 0000000000000000 IDTR - 000000003F306018 0000000000000FFF, TR - 0000000000000000 FXSAVE_STATE - 000000003FEA8480 !!!! Can't find image information. !!!!

uchan-nos · 2024-04-16T00:14:25Z

@taxin39

qemuで確認したらエラーがありました

は「Can't find image information.」のことを指していますか？
これは多分無視して良いメッセージだと思います。

貼っていただいたビルド手順と出力をざっと見ましたが、問題なさそうに思えました。
もう少し詳しく見てみます。

uchan-nos · 2024-04-16T00:31:57Z

いやあ謎ですね。手順の中でだめそうなところが見当たりません。

出力メッセージ的にあまり疑いようがないところではありませすが、可能性としては

MikanLoaderPkg が古いバージョンのままで、カーネルに適切な情報（フレームバッファのアドレスとサイズ）が渡せていない
kernel.elf が古いバージョンのままで、模様を描画するようになっていない

あるいはその他の原因かもしれませんが。現時点では不明です。

試しに MikanLoaderPkg/Main.c での出力（例えば https://github.com/uchan-nos/mikanos/blob/a9f6b6c2da5ac413d53223cf4081a94f20963ba0/MikanLoaderPkg/Main.c#L210 の行とか）を改造してみて、再度ビルド & run_qemu.sh を実行し、表示されるメッセージが変わるかを見てみたいです。
現在は「Kernel: 0x100000 (9792 bytes)」と表示されているのが変化すれば MikanLoaderPkg のビルドは真に成功しているということです。

次は kernel.elf のファイルサイズを調べてみてください。ls -l kernel.elf で見えるはずです。
これが 9792 バイトなら、MikanLoaderPkg が出力したメッセージと一致するので、正しい kernel.elf が読み込まれている可能性が高いでしょう。

uchan-nos · 2024-10-12T06:12:14Z

もしかしたら、Ubuntu 22.04 で導入される lld のバージョンが 14 のため問題が起きているかもしれません。

参考：https://github.com/uchan-nos/mikanos-build#%E3%83%AA%E3%83%9D%E3%82%B8%E3%83%88%E3%83%AA%E3%81%AE%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89

Ryoya28 mentioned this issue Apr 29, 2024

第3章_3.5カーネルからピクセルを描く(osbook_day03c)が書籍通りの実行結果とならない #168

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p85 の図3-8　適当な模様をフレームバッファに描くができません #166

p85 の図3-8　適当な模様をフレームバッファに描くができません #166

taxin39 commented Mar 20, 2024

taxin39 commented Mar 22, 2024

uchan-nos commented Apr 16, 2024

uchan-nos commented Apr 16, 2024

uchan-nos commented Oct 12, 2024

p85 の図3-8 適当な模様をフレームバッファに描くができません #166

p85 の図3-8 適当な模様をフレームバッファに描くができません #166

Comments

taxin39 commented Mar 20, 2024

taxin39 commented Mar 22, 2024

uchan-nos commented Apr 16, 2024

uchan-nos commented Apr 16, 2024

uchan-nos commented Oct 12, 2024

p85 の図3-8　適当な模様をフレームバッファに描くができません #166

p85 の図3-8　適当な模様をフレームバッファに描くができません #166